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How to generate a random number in C++?
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The most fundamental problem of your test application is that you call srand once and then call rand one time and exit.
The whole point of srand function is to initialize the sequence of pseudo-random numbers with a random seed.
It means that if you pass the same value to srand in two differ...
Why do I have to access template base class members through the this pointer?
...emplate parameter. Others are deferred until the parameter is known. It's called two-phase compilation, and MSVC doesn't do it but it's required by the standard and implemented by the other major compilers. If you like, the compiler must compile the template as soon as it sees it (to some kind of in...
What is the difference between String.Empty and “” (empty string)?
...ich makes string.Empty more efficient.
In version 2.0 and later of .NET, all occurrences of "" refer to the same string literal, which means "" is equivalent to .Empty, but still not as fast as .Length == 0.
.Length == 0 is the fastest option, but .Empty makes for slightly cleaner code.
See the ...
How do I get jQuery to select elements with a . (period) in their ID?
... For that reason, in CSS itself, you must escape a dot in an ID, too. All jQuery is doing is requiring you to follow the rules set out by CSS.
– bdukes
Apr 6 '09 at 14:11
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How do I sort unicode strings alphabetically in Python?
... sorts by byte value by default, which means é comes after z and other equally funny things. What is the best way to sort alphabetically in Python?
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Downloading a large file using curl
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rink.attendant.6
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answered Oct 12 '12 at 13:18
prashant pan...
How to use enums as flags in C++?
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@Michael, that's true! In an enum, you usually reserve 0 for BLAH_NONE. :-) Thanks for jarring that memory!
– Jamie
Jul 8 '15 at 0:16
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Android: Temporarily disable orientation changes in an Activity
...r, I noticed that if I rotate my phone it restarts the activity which is REALLY bad for the process that was running, and I get a Force Close.
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Signal handling with multiple threads in Linux
...ote that this is specific to SIGUSR1, which IIRC doesn't interrupt system calls. If you tried this with SIGINT for example, it could interrupt a stream read, and when you went to return to reading, the stream may return an error that it was interrupted.
– Alan
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nil detection in Go
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In addition to Oleiade, see the spec on zero values:
When memory is allocated to store a value, either through a declaration or a call of make or new, and no explicit initialization is provided, the memory is given a default initialization. Each element of such a value is set to the zero valu...